The AXI4 memory map external traffic which is supported only for hardware emulation has the following specifications:
- Only transaction-level granularity is supported.
- Re-ordering of transactions is not supported.
- Parallel Read, Write transactions are not supported (transactions will be serialized).
- Unaligned transactions are not supported.
The following figure shows the high-level design.
Figure 1. AXI4 Memory Map External Traffic Design